/* DSCAI 智慧經營助理 官網樣式
   配色沿用客製簡報：深藍、米白、橘色重點 */
:root {
  --navy: #14213D;
  --navy-2: #1E2D4F;
  --ink: #14213D;
  --soft: #4A5568;
  --muted: #6A7179;
  --paper: #F7F5F0;
  --tint: #EDE9E0;
  --card: #FFFDF9;
  --line: #E3DED3;
  --orange: #E07A2E;
  --orange-ink: #B4530F;
  --orange-light: #F2A65A;
  --on-dark: #F7F5F0;
  --on-dark-soft: #BFC8D6;
  --ok: #1E7B3C;
  --err: #B42318;
  --radius: 14px;
  --font-body: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", sans-serif;
  --font-head: "Noto Serif TC", "Noto Sans TC", "Microsoft JhengHei", serif;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: 17px; line-height: 1.75;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--orange-ink); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--orange); outline-offset: 2px;
}
.wrap { max-width: var(--max); margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left)); padding-right: max(20px, env(safe-area-inset-right)); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.3; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(32px, 5vw, 52px); font-weight: 700; }
h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; }
h3 { font-size: 20px; font-weight: 700; font-family: var(--font-body); }
p { margin: 0; }
.eyebrow { font-size: 14px; font-weight: 700; letter-spacing: .12em; color: var(--orange-ink); margin-bottom: 10px; }
.lead { font-size: 19px; color: var(--soft); max-width: 46em; }
.muted { color: var(--muted); }

/* ---------- 頁首 ---------- */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(247,245,240,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 18px; white-space: nowrap; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--navy); display: grid; place-items: center; color: var(--orange-light); font-size: 15px; font-weight: 900; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { text-decoration: none; color: var(--soft); padding: 8px 12px; border-radius: 8px; font-size: 15px; }
.nav a:hover { background: var(--tint); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 700; }
.nav a.btn { color: #fff; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font: inherit; font-size: 15px; color: var(--ink); }
@media (max-width: 960px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 66px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 8px max(20px, env(safe-area-inset-left)) 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
}

/* ---------- 按鈕 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--orange-ink); color: #fff; text-decoration: none; border: 0; border-radius: 10px; padding: 12px 22px; font: inherit; font-weight: 700; font-size: 16px; cursor: pointer; }
.btn:hover { background: #9A4409; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn.ghost:hover { background: var(--tint); }
.btn.on-dark { background: var(--orange); color: var(--navy); }
.btn.on-dark:hover { background: var(--orange-light); }
.btn[disabled] { opacity: .6; cursor: wait; }

/* ---------- 區塊 ---------- */
section { padding: 72px 0; }
section.tint { background: var(--tint); }
section.dark { background: var(--navy); color: var(--on-dark); }
section.dark .lead, section.dark .muted { color: var(--on-dark-soft); }
section.dark .eyebrow { color: var(--orange-light); }
section.accent { background: var(--orange); color: var(--navy); }
.section-head { margin-bottom: 36px; display: grid; gap: 12px; }

/* ---------- 首頁主視覺 ---------- */
.hero { padding: 64px 0 72px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { margin: 6px 0 18px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero .pledge { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; font-size: 15px; color: var(--soft); }
.hero .pledge span::before { content: "✓"; color: var(--ok); font-weight: 900; margin-right: 6px; }
.mock { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 14px; box-shadow: 0 18px 40px rgba(20,33,61,.12); }
.mock-label { font-size: 12px; color: var(--muted); text-align: right; margin-top: 6px; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }

/* ---------- 卡片格 ---------- */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.card .num { font-weight: 900; color: var(--orange-ink); font-size: 15px; letter-spacing: .05em; }
.card p { color: var(--soft); }
.card.dark { background: var(--navy); border-color: var(--navy); color: var(--on-dark); }
.card.dark p { color: var(--on-dark-soft); }
section.dark .card { background: var(--navy-2); border-color: #2E4068; color: var(--on-dark); }
section.dark .card p { color: var(--on-dark-soft); }
.icon { width: 44px; height: 44px; border-radius: 12px; background: #FBE7D6; display: grid; place-items: center; }
.icon svg { width: 24px; height: 24px; stroke: var(--orange-ink); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
section.dark .icon { background: rgba(242,166,90,.15); }
section.dark .icon svg { stroke: var(--orange-light); }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: s; }
.flow .step { position: relative; padding: 24px 26px 24px 0; }
.flow .step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--navy); color: var(--orange-light); font-weight: 900; margin-bottom: 14px; }
.flow .step:not(:last-child)::after { content: ""; position: absolute; top: 43px; left: 48px; right: 14px; border-top: 2px dashed var(--orange); }
.flow p { color: var(--soft); }
@media (max-width: 860px) { .flow { grid-template-columns: 1fr 1fr; } .flow .step::after { display: none; } }
@media (max-width: 520px) { .flow { grid-template-columns: 1fr; } }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 16px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--navy); color: var(--on-dark); font-weight: 700; }
th.hl { color: var(--orange-light); }
tr:last-child td { border-bottom: 0; }
tr:nth-child(even) td { background: #F6F2EA; }

/* ---------- 週次 ---------- */
.weeks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.week { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: grid; gap: 8px; align-content: start; }
.week .w { color: var(--orange-ink); font-weight: 900; font-size: 14px; }
.week.last { background: var(--navy); color: var(--on-dark); border-color: var(--navy); }
.week.last .w { color: var(--orange-light); }
.week p { color: var(--soft); font-size: 15.5px; }
.week.last p { color: var(--on-dark-soft); }
@media (max-width: 860px) { .weeks { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .weeks { grid-template-columns: 1fr; } }

/* ---------- 標籤 ---------- */
.tag { display: inline-block; font-size: 13px; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--tint); color: var(--soft); }
.tag.dev { background: #FFF1DC; color: #8A4B05; }
.page-hero { padding: 56px 0 40px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 44px); margin-bottom: 14px; }

/* ---------- 表單 ---------- */
.form { display: grid; gap: 18px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 30px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form .row { grid-template-columns: 1fr; } .form { padding: 22px; } }
.field { display: grid; gap: 6px; min-width: 0; }
.field label, .field legend { font-weight: 700; font-size: 15px; }
.field .req { color: var(--err); margin-left: 2px; }
.field input, .field select, .field textarea { font: inherit; font-size: 16px; padding: 11px 12px; border: 1.5px solid #CFC8BA; border-radius: 10px; background: #fff; color: var(--ink); width: 100%; }
.field textarea { min-height: 120px; resize: vertical; }
fieldset { border: 0; padding: 0; margin: 0; }
.checks { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 8px 14px; margin-top: 6px; }
.checks label { font-weight: 400; display: flex; gap: 8px; align-items: center; }
.checks input { width: auto; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--soft); }
.consent input { margin-top: 6px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.msg { padding: 14px 16px; border-radius: 10px; font-size: 16px; }
.msg.ok { background: #E7F4EC; color: var(--ok); }
.msg.err { background: #FDECEA; color: var(--err); }

/* ---------- 頁尾 ---------- */
.site-footer { background: var(--navy); color: var(--on-dark-soft); padding: 48px 0 calc(32px + env(safe-area-inset-bottom)); font-size: 15px; }
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.site-footer h4 { color: var(--on-dark); margin: 0 0 10px; font-size: 16px; }
.site-footer a { color: var(--on-dark-soft); text-decoration: none; display: block; padding: 3px 0; }
.site-footer a:hover { color: var(--orange-light); }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid #2E4068; padding-top: 18px; font-size: 13px; }
@media (max-width: 760px) { .site-footer .wrap { grid-template-columns: 1fr; } }

/* ---------- 其他 ---------- */
.cta-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.prose { max-width: 48em; display: grid; gap: 14px; }
.prose h2 { font-size: 24px; margin-top: 18px; }
.prose ul { margin: 0; padding-left: 1.3em; color: var(--soft); }
.prose p { color: var(--soft); }
.note { font-size: 14.5px; color: var(--muted); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }